Boston Ravine, California

Boston Ravine is a former settlement in Nevada County, California. Boston Ravine is located 1 mi south-southwest of Grass Valley. Its elevation is 2339 ft above sea level.

History
The settlement began in the fall of 1849 with four cabins on the south of a ravine, erected by the Boston Company, led by Rev. H.H. Cummings. By 1853, there were several quartz mills, and later a foundry. It is situated .5 mi from present-day Grass Valley, California.

A post office operated at Boston Ravine from 1889 to 1890.

Climate
According to the Köppen Climate Classification system, Boston Ravine has a warm-summer Mediterranean climate, abbreviated "Csa" on climate maps.